def find(s1,s2):
    remainingLength = len(s1)
    startingIndex = 0
    while len(s2) <= remainingLength:
        if s2 != s1[startingIndex : startingIndex + len(s2)]:
            startingIndex += 1
            remainingLength -= 1
        else:
            return startingIndex

    return -1

def main():
    s1= input("请输入现个字符串：")
    s2= input("请输入现个字符串：")
    if find(s1,s2)!=-1:
        print(s2,"在",s1,"里面")
    else:
        print("不在字符串里面哦。")
main()